1 /* 2 * Copyright (c) 2021 Microchip Technology Inc. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef ZEPHYR_DRIVERS_ESPI_MCHP_XEC_ESPI_V2_H_ 8 #define ZEPHYR_DRIVERS_ESPI_MCHP_XEC_ESPI_V2_H_ 9 10 #include <stdint.h> 11 #include <zephyr/device.h> 12 #include <zephyr/drivers/espi.h> 13 #include <zephyr/drivers/pinctrl.h> 14 15 /* #define ESPI_XEC_V2_DEBUG 1 */ 16 17 struct espi_isr { 18 uint8_t girq_id; 19 uint8_t girq_pos; 20 void (*the_isr)(const struct device *dev); 21 }; 22 23 struct espi_vw_isr { 24 uint8_t signal; 25 uint8_t girq_id; 26 uint8_t girq_pos; 27 void (*the_isr)(int girq, int bpos, void *dev); 28 }; 29 30 struct espi_xec_irq_info { 31 uint8_t gid; /* GIRQ id [8, 26] */ 32 uint8_t gpos; /* bit position in GIRQ [0, 31] */ 33 uint8_t anid; /* Aggregated GIRQ NVIC number */ 34 uint8_t dnid; /* Direct GIRQ NVIC number */ 35 }; 36 37 struct espi_xec_config { 38 uint32_t base_addr; 39 uint32_t vw_base_addr; 40 uint8_t pcr_idx; 41 uint8_t pcr_bitpos; 42 uint8_t irq_info_size; 43 uint8_t rsvd[1]; 44 const struct espi_xec_irq_info *irq_info_list; 45 const struct pinctrl_dev_config *pcfg; 46 }; 47 48 #define ESPI_XEC_CONFIG(dev) \ 49 ((struct espi_xec_config * const)(dev)->config) 50 51 struct espi_xec_data { 52 sys_slist_t callbacks; 53 struct k_sem tx_lock; 54 struct k_sem rx_lock; 55 struct k_sem flash_lock; 56 #ifdef ESPI_XEC_V2_DEBUG 57 uint32_t espi_rst_count; 58 #endif 59 }; 60 61 #define ESPI_XEC_DATA(dev) \ 62 ((struct espi_xec_data * const)(dev)->data) 63 64 struct xec_signal { 65 uint8_t host_idx; 66 uint8_t bit; 67 uint8_t xec_reg_idx; 68 uint8_t flags; 69 }; 70 71 enum mchp_msvw_regs { 72 MCHP_MSVW00, 73 MCHP_MSVW01, 74 MCHP_MSVW02, 75 MCHP_MSVW03, 76 MCHP_MSVW04, 77 MCHP_MSVW05, 78 MCHP_MSVW06, 79 MCHP_MSVW07, 80 MCHP_MSVW08, 81 }; 82 83 enum mchp_smvw_regs { 84 MCHP_SMVW00, 85 MCHP_SMVW01, 86 MCHP_SMVW02, 87 MCHP_SMVW03, 88 MCHP_SMVW04, 89 MCHP_SMVW05, 90 MCHP_SMVW06, 91 MCHP_SMVW07, 92 MCHP_SMVW08, 93 }; 94 95 enum xec_espi_girq_idx { 96 pc_girq_idx = 0, 97 bm1_girq_idx, 98 bm2_girq_idx, 99 ltr_girq_idx, 100 oob_up_girq_idx, 101 oob_dn_girq_idx, 102 fc_girq_idx, 103 rst_girq_idx, 104 vw_ch_en_girq_idx, 105 max_girq_idx, 106 }; 107 108 int xec_host_dev_init(const struct device *dev); 109 int xec_host_dev_connect_irqs(const struct device *dev); 110 111 int espi_xec_read_lpc_request(const struct device *dev, 112 enum lpc_peripheral_opcode op, 113 uint32_t *data); 114 115 int espi_xec_write_lpc_request(const struct device *dev, 116 enum lpc_peripheral_opcode op, 117 uint32_t *data); 118 119 #endif /* ZEPHYR_DRIVERS_ESPI_MCHP_XEC_ESPI_V2_H_ */ 120
